After manufacturing 2351 Steam Locomotives of 5 types and 842 Diesel Hydraulic Locos of 7 types, production of steam and diesel hydraulic locos was discontinued from 1973-74 and 1993-94 respectively. The production of Electric Locomotives commenced in 1961.
What instrument is used to measure relative humidity?
Which of the following is NOT a property of magnetic lines of force?
Which of the following Instrument is used to measure humidity?
What term describes the resistance of an object to changes in its state of motion or rest?
In which material does sound travel the fastest?
Which of the following is the best fire-extinguisher?
Which element is known for its high electronegativity?
Which medium cannot propagate sound waves?
What is the term for the center of the reflecting surface of a spherical mirror?
Sound of frogs can be heard from a long distance in a rainy season because